Quarterly report pursuant to Section 13 or 15(d)

Investing Receivables - Narrative (Details)

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Investing Receivables - Narrative (Details) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2022
Dec. 31, 2021
Investing Receivables    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Notes receivable, fair value disclosure $ 108.0 $ 84.0
Investing Receivables    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accrued interest receivable, net of allowance for credit losses $ 4.4 $ 5.3
Investing Receivables | Other investing loans receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Remaining term 1 year  
Investing Receivables | Other investing loans receivable | Minimum    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Interest rate 8.00%  
Investing Receivables | Other investing loans receivable | Maximum    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Interest rate 14.00%  
Investing Receivables | LW Redstone Company LLC | Notes receivable from the City of Huntsville    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Interest rate 9.95%